/* Custom styles and overrides */

:root {
    --teal-50: #f0fdfa;
    --teal-100: #ccfbf1;
    --teal-600: #0d9488;
    --teal-700: #0f766e;
    --slate-900: #0f172a;
}

/* Smooth scroll offset for fixed nav */
section[id] {
    scroll-margin-top: 80px;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* Selection color */
::selection {
    background: color: #5eead4;
    color: #0f766e;
}

/* Navbar shadow on scroll */
nav.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* Subtle pulse for the heartbeat icon */
@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    14% { transform: scale(1.1); }
    28% { transform: scale(1); }
    42% { transform: scale(1.1); }
    56% { transform: scale(1); }
}

.heartbeat {
    animation: heartbeat 2s ease-in-out infinite;
}

/* Gradient text utility */
.gradient-text {
    background: linear-gradient(135deg, #0d9488, #14b8a6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Card hover lift effect */
.card-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card-lift:hover {
    transform: translateY(-4px);
}

/* Mobile menu animation */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}
#mobile-menu.open {
    max-height: 400px;
}