/* ===== MODERN DESIGN SYSTEM ===== */

:root {
    /* Modern Color Palette - Professional & Sophisticated */
    --color-primary: #6366f1;          /* Indigo */
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    --color-secondary: #8b5cf6;        /* Purple */
    --color-accent: #ec4899;           /* Pink accent */

    --color-bg: #ffffff;
    --color-bg-secondary: #f8fafc;
    --color-bg-tertiary: #f1f5f9;

    --color-text-primary: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #64748b;

    --color-border: #e2e8f0;
    --color-success: #10b981;
    --color-warning: #f59e0b;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-display: 'Inter', system-ui, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Shadows */
    --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);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
}

/* ===== GLOBAL RESETS ===== */
* {
    box-sizing: border-box;
}

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

/* ===== MODERN HERO SECTION ===== */
.modern-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
    padding: 6rem 0 8rem;
}

.modern-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,%3Csvg width="100" height="100" xmlns="http://www.w3.org/2000/svg"%3E%3Cdefs%3E%3Cpattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"%3E%3Cpath d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/%3E%3C/pattern%3E%3C/defs%3E%3Crect width="100" height="100" fill="url(%23grid)" /%3E%3C/svg%3E');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: white;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    max-width: 600px;
    line-height: 1.8;
}

.hero-image {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

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

/* ===== MODERN BUTTONS ===== */
.btn-modern {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all 0.2s ease;
    text-decoration: none;
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.btn-modern-primary {
    background: white;
    color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

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

.btn-modern-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-modern-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* ===== MODERN FEATURE CARDS ===== */
.feature-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 2rem;
    height: 100%;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-light);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
    margin-bottom: 1.5rem;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
}

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

/* ===== MODERN PRICING CARDS ===== */
.pricing-card {
    background: white;
    border-radius: var(--radius-2xl);
    padding: 0;
    height: 100%;
    border: 2px solid var(--color-border);
    transition: all 0.3s ease;
    overflow: hidden;
}

.pricing-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

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

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-12px);
}

.pricing-header {
    padding: 2.5rem 2rem 2rem;
    background: var(--color-bg-secondary);
    text-align: center;
}

.pricing-card.featured .pricing-header {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
}

.pricing-badge {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: var(--color-accent);
    color: white;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.pricing-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.pricing-price {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 0;
    line-height: 1;
}

.pricing-price small {
    font-size: 1.25rem;
    font-weight: 400;
    opacity: 0.7;
}

.pricing-body {
    padding: 2.5rem 2rem;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.pricing-features li::before {
    content: '✓';
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-success);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.btn-pricing {
    width: 100%;
    padding: 1rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s ease;
    border: 2px solid var(--color-primary);
    background: transparent;
    color: var(--color-primary);
    cursor: pointer;
    text-decoration: none;
    display: block;
    text-align: center;
}

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

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

.pricing-card.featured .btn-pricing:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ===== SECTIONS ===== */
.section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .modern-hero {
        padding: 4rem 0 5rem;
    }

    .btn-modern {
        width: 100%;
        justify-content: center;
    }

    .pricing-card.featured {
        transform: scale(1);
    }
}