/* GLOBAL BRAND VARIABLES */
:root {
    --brand-primary: #0D47A1;      
    --brand-primary-hover: #002171;
    --brand-secondary: #FFD700;    
    --brand-bg: #F8F9FA;
    --brand-white: #FFFFFF;
    --brand-text-dark: #1C1C1E;
    --brand-text-gray: #6B7280;
    --radius-lg: 1.5rem;
    --radius-xl: 3rem;
    --shadow-sm: 0 4px 20px rgba(0,0,0,0.05);
    --transition: all 0.3s ease;
}

/* Base Styles */
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--brand-bg);
    color: var(--brand-text-dark);
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

/* Navigation logo styling */
nav img {
    width: 50px;
    height: 50px;
    display: block;
}

/* Reusable Components */
.section-padding { padding: 5rem 0; }

.btn-primary {
    background-color: var(--brand-primary);
    color: var(--brand-white);
    padding: 0.75rem 1.75rem;
    border-radius: 9999px;
    font-weight: 700;
    transition: var(--transition);
    display: inline-block;
    box-shadow: 0 10px 15px -3px rgba(13, 71, 161, 0.2);
}

.btn-primary:hover {
    background-color: var(--brand-primary-hover);
    transform: translateY(-2px);
}

.card-common {
    background: var(--brand-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
}

.card-common:hover {
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-sm);
}

/* App Mockup Layout */
.phone-mockup {
    width: 18rem;
    height: 36rem;
    background-color: #111;
    border-radius: var(--radius-xl);
    border: 10px solid #222;
    overflow: hidden;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* Utility Helpers */
.text-brand { color: var(--brand-primary); }
.bg-brand { background-color: var(--brand-primary); }

@media (max-width: 768px) {
    .section-padding { padding: 3rem 0; }
}