:root {
    --hero-gradient: linear-gradient(135deg, hsl(145 63% 32%), hsl(160 55% 28%));
    --gold-gradient: linear-gradient(135deg, hsl(42 90% 55%), hsl(38 85% 48%));
    --glass-bg: hsl(0 0% 100% / 0.85);
    --glass-border: hsl(0 0% 100% / 0.3);
    --shadow-soft: 0 4px 24px -4px hsl(145 63% 32% / 0.15);
    --shadow-card: 0 8px 32px -8px hsl(150 30% 10% / 0.1);
    --shadow-hero: 0 20px 60px -15px hsl(145 63% 32% / 0.3);
}

.text-gradient-primary {
    background: var(--hero-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-hero-gradient {
    background: var(--hero-gradient);
}

.bg-gold-gradient {
    background: var(--gold-gradient);
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
}

.shadow-soft {
    box-shadow: var(--shadow-soft);
}

.shadow-card {
    box-shadow: var(--shadow-card);
}

.shadow-hero {
    box-shadow: var(--shadow-hero);
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.8s ease-out;
}

.reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.8s ease-out;
}

.reveal-up {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.reveal.active,
.reveal-left.active,
.reveal-right.active,
.reveal-up.active {
    opacity: 1;
    transform: translate(0, 0);
}

/* Header state */
header.scrolled {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}

#mobile-menu {
    max-height: 0;
    transition: max-height 0.3s ease-in-out;
    display: block !important;
    overflow: hidden;
}

#mobile-menu.active {
    max-height: 500px;
}

.hidden {
    display: none;
}