@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600&family=Oswald:wght@500;700&display=swap');

:root {
    --brand-main: #1E3A8A; /* Deep Blue for trust and calm */
    --brand-highlight: #10B981; /* Emerald Green for vitality */
    --ui-base-light: #F8FAFC; /* Slate 50 for clean backgrounds */
    --ui-text-dark: #0F172A; /* Slate 900 for readable text */
    
    --font-accent: 'Oswald', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    --gradient-primary: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    --gradient-secondary: linear-gradient(135deg, #10B981 0%, #34D399 100%);
    --gradient-overlay: linear-gradient(to right, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.6));
    
    --radius-soft: 0.5rem;
    --shadow-float: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--ui-text-dark);
    background-color: var(--ui-base-light);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-accent);
    line-height: 1.2;
}

/* Custom Semantic Layout Classes */
.vascular-nav-area {
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 50;
}

.pressure-intro-wrap {
    position: relative;
    background-size: cover;
    background-position: center;
    color: #ffffff;
}

.health-steps-grid {
    display: grid;
    gap: 2rem;
}

@media (min-width: 768px) {
    .health-steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.cardio-stat-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    gap: 2rem;
    padding: 3rem 1rem;
    background: var(--gradient-primary);
    color: white;
}

/* Mobile Menu Styles */
.mobile-menu-layer {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #ffffff;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    flex-direction: column;
    padding: 1rem;
}

.mobile-menu-layer.active {
    display: flex;
}

/* Form Custom Styles */
.wellness-input-field {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #CBD5E1;
    border-radius: var(--radius-soft);
    font-family: var(--font-body);
    transition: border-color 0.3s ease;
}

.wellness-input-field:focus {
    outline: none;
    border-color: var(--brand-main);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.2);
}

.action-btn-primary {
    display: inline-block;
    padding: 0.75rem 2rem;
    color: #ffffff;
    font-family: var(--font-accent);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-soft);
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

.action-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-float);
}

/* Cookie Banner Styles */
#cookie-banner {
    background-color: var(--ui-text-dark);
    color: #ffffff;
    padding: 1.5rem;
    box-shadow: 0 -5px 15px rgba(0,0,0,0.2);
}

.cookie-btn-accept {
    background-color: var(--brand-highlight);
    color: #ffffff;
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-soft);
    font-weight: 600;
}

.cookie-btn-decline {
    background-color: #4B5563;
    color: #ffffff;
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-soft);
    font-weight: 600;
}