/* Premium CSS Styling for Khatalytics Web Portal */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --primary-h: 220;
    --primary-s: 90%;
    --primary-l: 56%;
    --primary: hsl(var(--primary-h), var(--primary-s), var(--primary-l));
    --primary-dark: hsl(var(--primary-h), var(--primary-s), calc(var(--primary-l) - 10%));
    --primary-light: hsl(var(--primary-h), var(--primary-s), calc(var(--primary-l) + 35%));

    --secondary-h: 174;
    --secondary-s: 85%;
    --secondary-l: 40%;
    --secondary: hsl(var(--secondary-h), var(--secondary-s), var(--secondary-l));

    --dark-h: 224;
    --dark-s: 25%;
    --dark-l: 12%;
    --text-dark: hsl(var(--dark-h), var(--dark-s), var(--dark-l));
    
    --light-bg: #f8fafc;
    --card-bg: #ffffff;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --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);
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 16px;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--light-bg);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.25;
}

p {
    color: var(--text-muted);
}

a {
    color: inherit;
    text-decoration: none;
}

/* Header & Navigation */
header {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-smooth);
}

header.scrolled {
    background-color: #ffffff;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
}

.logo-dot {
    width: 8px;
    height: 8px;
    background-color: var(--secondary);
    border-radius: 50%;
    display: inline-block;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition-smooth);
}

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

.nav-btn {
    background-color: var(--primary);
    color: #ffffff;
    padding: 10px 20px;
    border-radius: 30px;
    font-weight: 600;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 6px -1px rgba(99, 102, 241, 0.2);
}

.nav-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.3);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 24px;
    color: var(--text-dark);
}

/* Hero Section */
.hero {
    padding: 160px 24px 80px 24px;
    background: radial-gradient(circle at 80% 20%, var(--primary-light) 0%, transparent 60%);
    position: relative;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background-color: var(--primary-light);
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 13px;
    border-radius: 30px;
    margin-bottom: 24px;
    border: 1px solid rgba(99, 102, 241, 0.15);
}

.hero-title {
    font-size: 54px;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.hero-title span {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 18px;
    margin-bottom: 36px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
    padding: 14px 28px;
    border-radius: 30px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-smooth);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background-color: #ffffff;
    color: var(--text-dark);
    border: 1px solid var(--border-color);
    padding: 14px 28px;
    border-radius: 30px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-smooth);
}

.btn-secondary:hover {
    background-color: var(--light-bg);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* Feature Mockup image container */
.hero-mockup {
    position: relative;
    display: flex;
    justify-content: center;
}

.mockup-card {
    background-color: #ffffff;
    border-radius: 24px;
    box-shadow: var(--shadow-xl);
    padding: 30px;
    width: 100%;
    max-width: 420px;
    border: 1px solid var(--border-color);
    transform: rotate(2deg);
    transition: var(--transition-smooth);
}

.mockup-card:hover {
    transform: rotate(0deg) translateY(-8px);
}

.mockup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.mockup-account {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
}

.mockup-balance {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: #ffffff;
    padding: 24px;
    border-radius: 16px;
    margin-bottom: 24px;
}

.mockup-balance-lbl {
    font-size: 12px;
    opacity: 0.8;
}

.mockup-balance-val {
    font-size: 32px;
    font-family: var(--font-heading);
    font-weight: 800;
}

.mockup-transactions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mockup-tx {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.mockup-tx:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.mockup-tx-info {
    display: flex;
    flex-direction: column;
}

.mockup-tx-title {
    font-weight: 600;
    font-size: 14px;
}

.mockup-tx-desc {
    font-size: 11px;
    color: var(--text-muted);
}

.mockup-tx-amt {
    font-weight: 700;
    font-size: 14px;
}

.mockup-tx-amt.expense {
    color: #ef4444;
}

.mockup-tx-amt.income {
    color: #22c55e;
}

/* Features Grid */
.features {
    padding: 100px 24px;
    background-color: #ffffff;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px auto;
}

.section-title {
    font-size: 36px;
    margin-bottom: 16px;
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature-card {
    background-color: var(--light-bg);
    border-radius: var(--border-radius);
    padding: 40px 32px;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.feature-card:hover {
    background-color: #ffffff;
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.feature-icon-wrapper {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background-color: var(--primary-light);
    color: var(--primary);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    margin-bottom: 24px;
    transition: var(--transition-smooth);
}

.feature-card:hover .feature-icon-wrapper {
    background-color: var(--primary);
    color: #ffffff;
}

.feature-card-title {
    font-size: 20px;
    margin-bottom: 12px;
}

/* Pricing Section */
.pricing {
    padding: 100px 24px;
}

.pricing-cards {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.pricing-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 48px 36px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: scale(1.03);
}

.pricing-card-badge {
    position: absolute;
    top: 24px;
    right: 24px;
    background-color: #22c55e;
    color: #ffffff;
    padding: 4px 12px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 20px;
}

.pricing-name {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.pricing-price {
    font-size: 40px;
    font-weight: 800;
    font-family: var(--font-heading);
    margin-bottom: 24px;
    color: var(--text-dark);
}

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

.pricing-features {
    list-style: none;
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex-grow: 1;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-muted);
}

.pricing-features li::before {
    content: "✓";
    color: #22c55e;
    font-weight: 700;
}

.pricing-features li.disabled {
    opacity: 0.5;
}

.pricing-features li.disabled::before {
    content: "✕";
    color: #ef4444;
}

/* Legal Documents layout */
.legal-container {
    max-width: 800px;
    margin: 120px auto 80px auto;
    padding: 0 24px;
}

.legal-card {
    background-color: #ffffff;
    border-radius: var(--border-radius);
    padding: 48px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.legal-card h1 {
    font-size: 38px;
    margin-bottom: 12px;
}

.legal-meta {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.legal-card h2 {
    font-size: 22px;
    margin-top: 36px;
    margin-bottom: 16px;
}

.legal-card p {
    font-size: 15px;
    margin-bottom: 16px;
    color: #334155;
    line-height: 1.7;
}

.legal-card ul {
    margin-left: 24px;
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 15px;
    color: #334155;
}

/* Footer styling */
footer {
    background-color: var(--text-dark);
    color: #ffffff;
    padding: 60px 24px 30px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 32px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    color: #ffffff;
}

.footer-links {
    display: flex;
    gap: 24px;
    list-style: none;
}

.footer-link {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    transition: var(--transition-smooth);
}

.footer-link:hover {
    color: #ffffff;
}

.footer-copy {
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 30px;
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
        max-width: 480px;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background-color: #ffffff;
        border-bottom: 1px solid var(--border-color);
        padding: 24px;
        flex-direction: column;
        gap: 16px;
        box-shadow: var(--shadow-md);
    }
    
    .nav-links.open {
        display: flex;
    }
    
    .mobile-nav-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .legal-card {
        padding: 24px;
    }
}