@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;600;700;800&display=swap');

:root {
    --primary-cyan: #00D4FF;
    --primary-blue: #0088CC;
    --secondary-blue: #00B8FF;
    --electric-blue: #0066FF;
    --income-green: #10B981;
    --expense-orange: #FF7043;
    --receivable-cyan: #22D3EE;
    --payable-amber: #FBBF24;
    
    --bg-light: #F8FAFC;
    --text-dark: #1E293B;
    --text-secondary: #64748B;
    --white: #FFFFFF;
    
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
    --shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

header.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    padding: 10px 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo img {
    height: 40px;
}

.logo span {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary-blue);
    letter-spacing: -1px;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    padding: 180px 0 100px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(0, 136, 204, 0.05) 100%);
    text-align: center;
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(to right, var(--primary-blue), var(--primary-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 40px;
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: linear-gradient(to right, var(--primary-cyan), var(--primary-blue));
    color: var(--white);
    text-decoration: none;
    font-weight: 700;
    border-radius: 50px;
    box-shadow: 0 10px 20px rgba(0, 136, 204, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 136, 204, 0.3);
}

/* Features Section */
.features {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 10px;
}

.section-title p {
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    font-size: 24px;
    color: var(--white);
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 20px;
    font-weight: 700;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 15px;
}

/* Colors for features */
.icon-transactions { background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue)); }
.icon-receivables { background: linear-gradient(135deg, var(--receivable-cyan), #0EA5E9); }
.icon-payables { background: linear-gradient(135deg, var(--payable-amber), #F59E0B); }
.icon-analytics { background: linear-gradient(135deg, #8B5CF6, #7C3AED); }
.icon-backup { background: linear-gradient(135deg, #10B981, #059669); }
.icon-privacy { background: linear-gradient(135deg, #64748B, #475569); }

/* Security Section */
.security {
    padding: 100px 0;
    background: var(--white);
}

.security-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.security-text {
    flex: 1;
}

.security-text h2 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 20px;
}

.security-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--income-green);
    border-radius: 50px;
    font-weight: 700;
    font-size: 12px;
    margin-bottom: 15px;
}

/* Footer */
footer {
    padding: 60px 0 30px;
    background: #0A0E27;
    color: var(--white);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 40px;
}

.footer-logo span {
    color: var(--white);
}

.footer-links h4 {
    margin-bottom: 20px;
    font-size: 16px;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.4);
    font-size: 14px;
}

/* About Page Specific */
.about-hero {
    padding: 150px 0 60px;
    text-align: left;
}

.about-content {
    padding: 60px 0;
}

.about-section {
    margin-bottom: 80px;
}

.about-section h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 30px;
    position: relative;
}

.about-section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 4px;
    background: var(--primary-cyan);
    border-radius: 2px;
}

.feature-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 40px;
}

.detail-card {
    background: var(--white);
    padding: 30px;
    border-radius: 20px;
    border-left: 5px solid var(--primary-cyan);
    box-shadow: var(--shadow);
}

.detail-card h4 {
    margin-bottom: 10px;
    font-size: 18px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 40px; }
    .security-content { flex-direction: column; text-align: center; }
    .footer-content { flex-direction: column; gap: 40px; text-align: center; }
    .nav-links { display: none; }
    .feature-detail-grid { grid-template-columns: 1fr; }
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}