:root {
    --ins-bg: #f3f2ef;
    --ins-card: #ffffff;
    --ins-primary: #0a66c2;
    --ins-primary-hover: #004182;
    --ins-text-main: rgba(0, 0, 0, 0.9);
    --ins-text-muted: rgba(0, 0, 0, 0.6);
    --ins-border: rgba(0, 0, 0, 0.08);
    --ins-shadow-sm: 0 4px 12px rgba(0,0,0,0.05);
    --ins-shadow-lg: 0 20px 40px rgba(0,0,0,0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--ins-bg);
    color: var(--ins-text-main);
    -webkit-font-smoothing: antialiased;
}

/* Navbar Setup */
.navbar-custom {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--ins-border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--ins-primary) !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

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

.btn-primary-custom {
    background-color: var(--ins-primary);
    color: white;
    border: none;
    border-radius: 50px;
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-primary-custom:hover {
    background-color: var(--ins-primary-hover);
    color: white;
    transform: translateY(-1px);
}

.btn-outline-custom {
    border: 1px solid var(--ins-border);
    color: var(--ins-text-main);
    border-radius: 50px;
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    transition: all 0.2s ease;
    background: white;
}

.btn-outline-custom:hover {
    background: var(--ins-bg);
    color: var(--ins-text-main);
}

/* Hero Section */
.hero-section {
    padding: 6rem 0 4rem;
    overflow: hidden;
    position: relative;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    color: rgba(0,0,0,0.9);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--ins-text-muted);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.dashboard-preview {
    background: white;
    border-radius: 16px;
    border: 1px solid var(--ins-border);
    box-shadow: var(--ins-shadow-lg);
    width: 100%;
    height: auto;
    display: block;
    margin-top: 2rem;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.5s ease;
}

.dashboard-preview:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

/* Features Section */
.features-section {
    padding: 5rem 0;
    background: white;
    border-top: 1px solid var(--ins-border);
    border-bottom: 1px solid var(--ins-border);
}

.feature-card {
    background: var(--ins-card);
    border: 1px solid var(--ins-border);
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: var(--ins-shadow-sm);
    height: 100%;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--ins-shadow-lg);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(10, 102, 194, 0.1);
    color: var(--ins-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-text {
    color: var(--ins-text-muted);
    line-height: 1.6;
}

/* Footer */
.footer {
    padding: 4rem 0 2rem;
    background: var(--ins-bg);
}

.footer-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--ins-primary);
    margin-bottom: 1rem;
}

.footer-text {
    color: var(--ins-text-muted);
    font-size: 0.9rem;
}

.footer-links a {
    color: var(--ins-text-muted);
    text-decoration: none;
    display: block;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

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