:root {
    /* Sanctuary Design Tokens - HSL based */
    --sanctuary-gold: 45, 65%, 52%;
    --sanctuary-gold-dark: 45, 65%, 40%;
    --sanctuary-gold-light: 45, 80%, 90%;
    --sanctuary-slate: 210, 25%, 15%;
    --sanctuary-slate-light: 210, 10%, 45%;
    --sanctuary-bg: 45, 20%, 98%;

    /* Mobile Specific Tokens */
    --mobile-accent: hsl(var(--sanctuary-gold));
    --mobile-accent-dark: hsl(var(--sanctuary-gold-dark));
    --mobile-text: hsl(var(--sanctuary-slate));
    --mobile-text-secondary: hsl(var(--sanctuary-slate-light));
    --mobile-bg: hsl(var(--sanctuary-bg));

    /* Standardized Glassmorphism */
    --glass-bg: hsla(0, 0%, 100%, 0.75);
    --glass-border: hsla(var(--sanctuary-gold), 0.25);
    --glass-shadow: 0 8px 32px 0 hsla(var(--sanctuary-slate), 0.08);
    --glass-glow: hsla(var(--sanctuary-gold), 0.4);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --ease-premium: cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    background-color: var(--mobile-bg);
    color: var(--mobile-text);
    line-height: 1.6;
    padding-bottom: 80px;
    /* Space for bottom nav */
    overflow-x: hidden;
    background-image:
        radial-gradient(circle at 100% 0%, hsla(var(--sanctuary-gold), 0.08), transparent 40%),
        radial-gradient(circle at 0% 100%, hsla(var(--sanctuary-gold), 0.05), transparent 40%);
    background-attachment: fixed;
}

.mobile-container {
    padding: 20px;
    max-width: 600px;
    margin: 0 auto;
}

/* Premium Card System */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 24px;
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    transition: transform 0.3s var(--ease-premium), box-shadow 0.3s var(--ease-premium);
}

.glass-card:active {
    transform: scale(0.98);
}

/* App Bar */
.app-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: hsla(0, 0%, 100%, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
    padding-top: max(15px, env(safe-area-inset-top));
}

.app-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--mobile-text), var(--mobile-accent-dark));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 75px;
    background: hsla(0, 0%, 100%, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    display: flex;
    justify-content: space-around;
    align-items: center;
    border-top: 1px solid var(--glass-border);
    z-index: 1001;
    padding-bottom: env(safe-area-inset-bottom);
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.03);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--mobile-text-secondary);
    text-decoration: none;
    font-size: 0.7rem;
    font-weight: 700;
    transition: 0.3s var(--ease-premium);
    flex: 1;
}

.nav-item i {
    font-size: 1.3rem;
    margin-bottom: 4px;
    transition: transform 0.3s var(--ease-premium);
}

.nav-item.active {
    color: var(--mobile-accent-dark);
}

.nav-item.active i {
    transform: translateY(-2px);
    filter: drop-shadow(0 0 5px hsla(var(--sanctuary-gold), 0.3));
}

/* Premium Buttons */
.btn-mobile {
    background: linear-gradient(135deg, var(--mobile-accent), var(--mobile-accent-dark));
    color: white;
    border: none;
    padding: 14px 24px;
    border-radius: 16px;
    font-weight: 700;
    font-size: 0.95rem;
    width: 100%;
    margin-top: 10px;
    box-shadow: 0 4px 15px hsla(var(--sanctuary-gold), 0.3);
    border: 1px solid hsla(var(--sanctuary-gold-light), 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    font-family: var(--font-body);
}

.btn-mobile:active {
    transform: translateY(1px);
    box-shadow: 0 2px 8px hsla(var(--sanctuary-gold), 0.2);
}

/* Typography Helpers */
.text-gradient {
    background: linear-gradient(135deg, var(--mobile-text), var(--mobile-accent-dark));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: var(--font-heading);
}

.outfit {
    font-family: var(--font-heading);
}

/* Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-reveal {
    animation: fadeInUp 0.6s var(--ease-premium) both;
}