/* 
 * CastZero - Vibrant Modern SaaS Design System
 * Light theme with colorful gradients and professional SVG icons
 * Inspired by: Linear, Vercel, Notion, Stripe
 */

/* =============================================
   CSS VARIABLES - Design Tokens
   ============================================= */
:root {
    /* Light Theme Colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-tertiary: #F1F5F9;
    --bg-card: #FFFFFF;
    
    /* Text Colors */
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    
    /* Vibrant Brand Colors - Purple to Blue Gradient */
    --brand-primary: #8B5CF6;      /* Vibrant Purple */
    --brand-secondary: #3B82F6;    /* Bright Blue */
    --brand-accent: #EC4899;       /* Hot Pink */
    --brand-success: #10B981;      /* Green */
    --brand-warning: #F59E0B;      /* Amber */
    --brand-error: #EF4444;        /* Red */
    
    /* Gradients - Vibrant and Eye-catching */
    --gradient-primary: linear-gradient(135deg, #8B5CF6 0%, #3B82F6 100%);
    --gradient-secondary: linear-gradient(135deg, #EC4899 0%, #8B5CF6 100%);
    --gradient-accent: linear-gradient(135deg, #06B6D4 0%, #3B82F6 100%);
    --gradient-hero: linear-gradient(135deg, #8B5CF6 0%, #3B82F6 50%, #EC4899 100%);
    
    /* Shadows - Softer and more colorful */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow-purple: 0 0 40px rgba(139, 92, 246, 0.3);
    --shadow-glow-blue: 0 0 40px rgba(59, 130, 246, 0.3);
    --shadow-glow-pink: 0 0 40px rgba(236, 72, 153, 0.3);
    
    /* Border Radius - More rounded for modern look */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;
    
    /* Spacing Scale */
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */
    --space-24: 6rem;     /* 96px */
    --space-32: 8rem;     /* 128px */
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-display: 'Cal Sans', 'Inter', sans-serif;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-index Scale */
    --z-base: 1;
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-tooltip: 1070;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Animated gradient background for hero sections */
.gradient-bg {
    position: relative;
    background: linear-gradient(135deg, #F8FAFC 0%, #E0E7FF 50%, #FCE7F3 100%);
    overflow: hidden;
}

.gradient-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
    animation: float-gradient 20s ease-in-out infinite;
    pointer-events: none;
}

@keyframes float-gradient {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

/* =============================================
   LAYOUT CONTAINERS
   ============================================= */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

@media (max-width: 640px) {
    .container { padding: 0 var(--space-4); }
}

.section {
    position: relative;
    padding: var(--space-20) 0;
}

@media (max-width: 768px) {
    .section { padding: var(--space-12) 0; }
}

/* =============================================
   NAVIGATION BAR
   ============================================= */
.navbar {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.1);
    padding: var(--space-4) 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    transition: transform var(--transition-base);
}

.logo:hover {
    transform: scale(1.05);
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--text-primary);
    transition: all var(--transition-base);
    border-radius: 3px;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

@media (max-width: 768px) {
    .menu-toggle { display: flex; }
}

/* Navigation Links */
.nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-8);
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: all var(--transition-base);
    position: relative;
    padding: var(--space-2) 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width var(--transition-base);
}

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

.nav-links a:hover::after {
    width: 100%;
}

.nav-links a.active {
    color: var(--brand-primary);
}
/* Extra spacing for navbar buttons */
.nav-links .btn {
    margin-left: var(--space-4);
}

.nav-links li:has(.btn) {
    margin-left: var(--space-3);
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 73px;
        right: -100%;
        flex-direction: column;
        width: 100%;
        max-width: 320px;
        height: calc(100vh - 73px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        padding: var(--space-8);
        border-left: 1px solid rgba(15, 23, 42, 0.1);
        transition: right var(--transition-slow);
        align-items: flex-start;
        overflow-y: auto;
        gap: var(--space-6);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links a {
        font-size: 1.125rem;
        width: 100%;
    }
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    line-height: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 400px;
    height: 400px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(139, 92, 246, 0.5);
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: white;
    box-shadow: 0 8px 24px rgba(236, 72, 153, 0.4);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(236, 72, 153, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--brand-primary);
    border: 2px solid var(--brand-primary);
    box-shadow: none;
}

.btn-outline:hover {
    background: var(--brand-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.3);
}

.btn-ghost {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid rgba(15, 23, 42, 0.1);
    box-shadow: none;
}

.btn-ghost:hover {
    background: var(--bg-tertiary);
    border-color: rgba(15, 23, 42, 0.2);
}

.btn-sm {
    padding: var(--space-3) var(--space-6);
    font-size: 0.875rem;
}

.btn-lg {
    padding: var(--space-5) var(--space-10);
    font-size: 1.125rem;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* =============================================
   CARDS
   ============================================= */
.card {
    background: var(--bg-card);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(139, 92, 246, 0.2);
}

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

.card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-5);
    box-shadow: var(--shadow-glow-purple);
}

.card-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.card-title {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.card-body {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1rem;
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-24) 0 var(--space-20);
    position: relative;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-5);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: var(--radius-full);
    color: var(--brand-primary);
    font-size: 0.9375rem;
    font-weight: 700;
    margin-bottom: var(--space-8);
    animation: slideDown 0.6s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    letter-spacing: -0.03em;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero h1 .gradient-text {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero p {
    font-size: 1.375rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-10);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

@media (max-width: 768px) {
    .hero {
        min-height: 75vh;
        padding: var(--space-16) 0 var(--space-12);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .hero h1 {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .hero p {
        font-size: 1.125rem;
    }
}

/* =============================================
   GRID SYSTEM
   ============================================= */
.grid {
    display: grid;
    gap: var(--space-8);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
    .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .grid-cols-4,
    .grid-cols-3,
    .grid-cols-2 { grid-template-columns: repeat(1, 1fr); }
}

/* =============================================
   STATS SECTION
   ============================================= */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-8);
    padding: var(--space-12) 0;
}

.stat-card {
    text-align: center;
    padding: var(--space-6);
}

.stat-value {
    font-size: 3.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-3);
    letter-spacing: -0.02em;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* =============================================
   PRICING CARDS
   ============================================= */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-8);
    max-width: 1200px;
    margin: var(--space-12) auto;
}

.pricing-card {
    background: var(--bg-card);
    border: 2px solid rgba(15, 23, 42, 0.08);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    text-align: center;
    position: relative;
    transition: all var(--transition-base);
}

.pricing-card.featured {
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-glow-purple);
    transform: scale(1.05);
}

.pricing-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured:hover {
    transform: translateY(-8px) scale(1.07);
}

.pricing-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-2) var(--space-6);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.4);
}

.pricing-plan-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.pricing-amount {
    font-size: 4rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: var(--space-4) 0;
    line-height: 1;
    letter-spacing: -0.03em;
}

.pricing-period {
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: var(--space-8);
}

.pricing-features {
    list-style: none;
    margin: var(--space-8) 0;
    text-align: left;
}

.pricing-features li {
    padding: var(--space-4) 0;
    border-bottom: 1px solid rgba(15, 23, 42, 0.05);
    color: var(--text-secondary);
    font-size: 0.9375rem;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

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

.pricing-features li::before {
    content: '✓';
    color: var(--brand-success);
    font-weight: bold;
    font-size: 1.125rem;
    flex-shrink: 0;
}

/* =============================================
   FAQ SECTION
   ============================================= */
.faq-list {
    max-width: 900px;
    margin: var(--space-12) auto;
}

details {
    background: var(--bg-card);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
    padding: var(--space-6);
    cursor: pointer;
    transition: all var(--transition-base);
}

details:hover {
    border-color: rgba(139, 92, 246, 0.2);
    box-shadow: var(--shadow-md);
}

details[open] {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.03) 0%, rgba(59, 130, 246, 0.03) 100%);
    border-color: var(--brand-primary);
}

summary {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--text-primary);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

summary::after {
    content: '+';
    font-size: 1.75rem;
    color: var(--brand-primary);
    font-weight: 300;
    transition: transform var(--transition-base);
    flex-shrink: 0;
    margin-left: var(--space-4);
}

details[open] summary::after {
    content: '−';
    transform: rotate(180deg);
}

details p {
    margin-top: var(--space-4);
    color: var(--text-secondary);
    line-height: 1.7;
    padding-right: var(--space-8);
}

/* =============================================
   FORMS
   ============================================= */
.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.form-label.required::after {
    content: '*';
    color: var(--brand-error);
    margin-left: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    background: var(--bg-secondary);
    border: 2px solid rgba(15, 23, 42, 0.1);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--brand-primary);
    background: var(--bg-primary);
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.1);
}

.form-textarea {
    min-height: 140px;
    resize: vertical;
}

.form-error {
    display: block;
    color: var(--brand-error);
    font-size: 0.875rem;
    font-weight: 500;
    margin-top: var(--space-2);
}

.form-success {
    display: block;
    color: var(--brand-success);
    font-size: 0.875rem;
    font-weight: 500;
    margin-top: var(--space-2);
}

.form-helper {
    display: block;
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: var(--space-2);
}

/* =============================================
   ALERTS
   ============================================= */
.alert {
    padding: var(--space-5) var(--space-6);
    border-radius: var(--radius-lg);
    border-left: 4px solid;
    margin-bottom: var(--space-6);
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    font-size: 0.9375rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--brand-success);
    color: #047857;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--brand-error);
    color: #DC2626;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--brand-warning);
    color: #D97706;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--brand-secondary);
    color: #2563EB;
}

/* =============================================
   BADGES
   ============================================= */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-4);
    font-size: 0.8125rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-primary {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(59, 130, 246, 0.15) 100%);
    color: var(--brand-primary);
}

.badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--brand-success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--brand-warning);
}

.badge-error {
    background: rgba(239, 68, 68, 0.15);
    color: var(--brand-error);
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid rgba(15, 23, 42, 0.1);
    padding: var(--space-20) 0 var(--space-8);
    margin-top: var(--space-24);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-10);
    margin-bottom: var(--space-10);
}

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--space-5);
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-3);
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--brand-primary);
}

.footer-bottom {
    border-top: 1px solid rgba(15, 23, 42, 0.1);
    padding-top: var(--space-8);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9375rem;
}

.social-links {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
    margin-top: var(--space-6);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-base);
    border: 1px solid rgba(15, 23, 42, 0.1);
}

.social-link:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.social-link svg {
    width: 24px;
    height: 24px;
}

/* =============================================
   UTILITY CLASSES
   ============================================= */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }

.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

.hidden { display: none; }
.visible { display: block; }

@media (max-width: 768px) {
    .hide-mobile { display: none; }
}

@media (min-width: 769px) {
    .show-mobile { display: none; }
}

/* =============================================
   SECTION HEADERS
   ============================================= */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-16);
}

.section-badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: var(--radius-full);
    color: var(--brand-primary);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 700px;
    margin: 0 auto;
}

/* =============================================
   LOADING SPINNER
   ============================================= */
.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(139, 92, 246, 0.2);
    border-top-color: var(--brand-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* =============================================
   FEATURE ICONS (SVG)
   ============================================= */
.icon {
    width: 24px;
    height: 24px;
    display: inline-block;
}

.icon-lg {
    width: 32px;
    height: 32px;
}

.icon-xl {
    width: 48px;
    height: 48px;
}

/* =============================================
   BLOG STYLES
   ============================================= */
.blog-hero {
    background: var(--gradient-primary);
    color: white;
    padding: 80px 0 60px;
    text-align: center;
    margin-bottom: 60px;
}

.blog-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.blog-hero p {
    font-size: 1.25rem;
    opacity: 0.95;
    max-width: 600px;
    margin: 0 auto;
}

.blog-section {
    padding: 60px 0;
}

.blog-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 60px;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 32px;
    margin-bottom: 40px;
}

.blog-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

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

.blog-card-image {
    width: 100%;
    height: 200px;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-card-content {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-category {
    display: inline-block;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
    color: var(--brand-primary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
    align-self: flex-start;
}

.blog-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
}

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

.blog-card-title a:hover {
    color: var(--brand-primary);
}

.blog-card-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
}

.blog-card-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.blog-card-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.blog-author {
    font-weight: 600;
    color: var(--text-secondary);
}

.blog-read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--brand-primary);
    font-weight: 600;
    text-decoration: none;
    transition: gap 0.2s ease;
}

.blog-read-more:hover {
    gap: 12px;
}

/* Blog Sidebar */
.blog-sidebar {
    position: sticky;
    top: 100px;
    align-self: flex-start;
}

.sidebar-widget {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 24px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: var(--shadow-sm);
}

.sidebar-widget h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.category-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.category-list li {
    margin-bottom: 12px;
}

.category-list a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
    font-weight: 500;
}

.category-list a:hover,
.category-list a.active {
    background: var(--gradient-primary);
    color: white;
    transform: translateX(4px);
}

.category-count {
    background: rgba(0, 0, 0, 0.1);
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.category-list a:hover .category-count,
.category-list a.active .category-count {
    background: rgba(255, 255, 255, 0.25);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 60px;
}

.pagination a,
.pagination span {
    min-width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid rgba(0, 0, 0, 0.08);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
}

.pagination a:hover {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
}

.pagination .active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

/* Blog Post Page */
.post-hero {
    background: var(--gradient-primary);
    color: white;
    padding: 100px 0 60px;
    margin-bottom: 60px;
}

.post-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.2;
    max-width: 900px;
}

.post-meta {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    font-size: 1rem;
    opacity: 0.95;
}

.post-content {
    max-width: 800px;
    margin: 0 auto 60px;
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.post-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-top: 48px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.post-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 36px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.post-content p {
    margin-bottom: 24px;
}

.post-content ul,
.post-content ol {
    margin-bottom: 24px;
    padding-left: 28px;
}

.post-content li {
    margin-bottom: 12px;
}

.post-content code {
    background: var(--bg-tertiary);
    padding: 3px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--brand-primary);
}

.post-content pre {
    background: var(--bg-tertiary);
    padding: 20px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: 24px;
}

.post-content pre code {
    background: none;
    padding: 0;
    color: var(--text-primary);
}

.related-posts {
    margin-top: 80px;
    padding-top: 80px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.related-posts h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 40px;
    text-align: center;
    color: var(--text-primary);
}

/* Responsive Blog Styles */
@media (max-width: 1024px) {
    .blog-layout {
        grid-template-columns: 1fr;
    }
    
    .blog-sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    .blog-hero h1 {
        font-size: 2rem;
    }
    
    .blog-hero p {
        font-size: 1rem;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .post-title {
        font-size: 2rem;
    }
    
    .post-content {
        font-size: 1rem;
    }
}

/* =============================================
   BLOG POST PAGE STYLES
   ============================================= */
.blog-post-page {
    padding: 60px 0 80px;
}

.blog-post-header {
    max-width: 900px;
    margin: 0 auto 40px;
    text-align: center;
}

.breadcrumbs {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 24px;
    flex-wrap: wrap;
}

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

.breadcrumbs a:hover {
    color: var(--brand-secondary);
}

.post-category {
    display: inline-block;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
    color: var(--brand-primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
}

.blog-post-header h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.post-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
    font-size: 0.9375rem;
    color: var(--text-muted);
}

.post-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.post-author {
    font-weight: 600;
    color: var(--text-secondary);
}

.post-featured-image {
    max-width: 1200px;
    margin: 0 auto 60px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.post-featured-image img {
    width: 100%;
    height: auto;
    display: block;
}

.blog-post-content {
    max-width: 800px;
    margin: 0 auto 60px;
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.blog-post-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-top: 48px;
    margin-bottom: 20px;
    color: var(--text-primary);
    line-height: 1.3;
}

.blog-post-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 36px;
    margin-bottom: 16px;
    color: var(--text-primary);
    line-height: 1.4;
}

.blog-post-content h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 32px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.blog-post-content p {
    margin-bottom: 24px;
}

.blog-post-content ul,
.blog-post-content ol {
    margin-bottom: 24px;
    padding-left: 32px;
}

.blog-post-content li {
    margin-bottom: 12px;
}

.blog-post-content a {
    color: var(--brand-primary);
    text-decoration: underline;
    text-decoration-color: rgba(139, 92, 246, 0.3);
    text-underline-offset: 3px;
    transition: all 0.2s ease;
}

.blog-post-content a:hover {
    color: var(--brand-secondary);
    text-decoration-color: var(--brand-secondary);
}

.blog-post-content blockquote {
    border-left: 4px solid var(--brand-primary);
    padding-left: 24px;
    margin: 32px 0;
    font-style: italic;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    padding: 20px 24px;
    border-radius: var(--radius-sm);
}

.blog-post-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: 32px 0;
    box-shadow: var(--shadow-md);
}

.blog-post-content code {
    background: var(--bg-tertiary);
    padding: 3px 8px;
    border-radius: 4px;
    font-family: 'Courier New', Monaco, monospace;
    font-size: 0.9em;
    color: var(--brand-primary);
}

.blog-post-content pre {
    background: var(--bg-tertiary);
    padding: 24px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 32px 0;
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.blog-post-content pre code {
    background: none;
    padding: 0;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.blog-post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 32px 0;
    font-size: 1rem;
}

.blog-post-content th,
.blog-post-content td {
    padding: 12px 16px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    text-align: left;
}

.blog-post-content th {
    background: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-primary);
}

.blog-post-content hr {
    border: none;
    height: 1px;
    background: rgba(0, 0, 0, 0.1);
    margin: 48px 0;
}

.post-tags {
    max-width: 800px;
    margin: 0 auto 60px;
    padding-top: 32px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.post-tags strong {
    color: var(--text-primary);
    margin-right: 12px;
}

.tag {
    display: inline-block;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 0.875rem;
    margin-right: 8px;
    margin-bottom: 8px;
    transition: all 0.2s ease;
}

.tag:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-2px);
}

.related-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.related-post-card {
    background: var(--bg-card);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all 0.3s ease;
}

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

.related-post-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.related-post-card h3 a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.related-post-card h3 a:hover {
    color: var(--brand-primary);
}

.related-post-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
    font-size: 0.9375rem;
}

.related-date {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.post-cta {
    max-width: 800px;
    margin: 80px auto 0;
    text-align: center;
    background: var(--gradient-primary);
    color: white;
    padding: 60px 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-glow-purple);
}

.post-cta h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: white;
}

.post-cta p {
    font-size: 1.125rem;
    opacity: 0.95;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.post-cta .btn-primary {
    background: white;
    color: var(--brand-primary);
    font-weight: 700;
    padding: 16px 40px;
    font-size: 1.125rem;
}

.post-cta .btn-primary:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

/* Responsive Blog Post */
@media (max-width: 768px) {
    .blog-post-header h1 {
        font-size: 2rem;
    }
    
    .blog-post-content {
        font-size: 1rem;
    }
    
    .blog-post-content h2 {
        font-size: 1.5rem;
    }
    
    .blog-post-content h3 {
        font-size: 1.25rem;
    }
    
    .post-cta {
        padding: 40px 24px;
    }
    
    .post-cta h2 {
        font-size: 1.5rem;
    }
    
    .post-cta p {
        font-size: 1rem;
    }
}


/* Currency Toggle Switch */
.currency-toggle {
    position: relative;
    display: inline-block;
    width: 56px;
    height: 28px;
    cursor: pointer;
}

.currency-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.currency-slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-tertiary);
    border: 2px solid rgba(139, 92, 246, 0.2);
    border-radius: 28px;
    transition: all 0.3s ease;
}

.currency-slider:before {
    content: "";
    position: absolute;
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 2px;
    background: linear-gradient(135deg, #8B5CF6 0%, #3B82F6 100%);
    border-radius: 50%;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.currency-toggle input:checked + .currency-slider {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
    border-color: var(--brand-primary);
}

.currency-toggle input:checked + .currency-slider:before {
    transform: translateX(26px);
}

.currency-toggle:hover .currency-slider {
    border-color: var(--brand-primary);
}

/* ============================================
   Pricing Features - Checkmarks & Crosses
   ============================================ */

.pricing-features li.check::before,
.pricing-features li.cross::before {
    font-family: Arial, sans-serif;
    font-weight: bold;
    margin-right: 12px;
    display: inline-block;
    width: 20px;
    text-align: center;
}

.pricing-features li.check::before {
    content: "✓";
    color: #10B981;
    font-size: 1.1em;
}

.pricing-features li.cross::before {
    content: "✗";
    color: #EF4444;
    font-size: 1em;
}

/* ============================================
   Legal Pages Styling
   ============================================ */

.legal-page {
    padding: var(--space-32) 0;
    min-height: 70vh;
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-secondary);
    padding: var(--space-12);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
}

.legal-content h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--space-4);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.legal-updated {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--border-color);
}

.legal-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-top: var(--space-10);
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.legal-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: var(--space-6);
    margin-bottom: var(--space-3);
    color: var(--brand-primary);
}

.legal-content p {
    line-height: 1.8;
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
}

.legal-content ul,
.legal-content ol {
    margin-left: var(--space-6);
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
}

.legal-content li {
    line-height: 1.8;
    margin-bottom: var(--space-2);
}

.legal-content ul li::marker {
    color: var(--brand-primary);
}

.legal-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

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

.legal-content a:hover {
    color: var(--brand-secondary);
    text-decoration: underline;
}

/* ============================================
   Navbar Buttons - Wider Spacing
   ============================================ */

.nav-links .btn {
    margin-left: var(--space-6);
    padding: 12px 28px;
    min-width: 120px;
}

.nav-links li:has(.btn) {
    margin-left: var(--space-4);
}

/* ============================================
   Responsive - Legal Pages
   ============================================ */

@media (max-width: 768px) {
    .legal-content {
        padding: var(--space-8);
    }
    
    .legal-content h1 {
        font-size: 2rem;
    }
    
    .legal-content h2 {
        font-size: 1.5rem;
    }
    
    .legal-content h3 {
        font-size: 1.125rem;
    }
    
    .nav-links .btn {
        padding: 10px 20px;
        min-width: 100px;
    }
}