@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800;900&display=swap');

:root {
    /* Dark Mode (Default) */
    --bg-primary: #0c0d12;
    --bg-secondary: #1a1b21;
    --accent-cyan: #06b6d4;
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --grid-color: rgba(34, 197, 94, 0.05); /* Greenish grid from source */
}

.light-mode {
    /* Light Mode (Metallic Gray - Slate Palette) */
    --bg-primary: #f1f5f9;
    --bg-secondary: #e2e8f0;
    --accent-cyan: #0891b2;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --grid-color: rgba(0, 0, 0, 0.05);
}

/* Smooth Transition for all relevant properties */
body,
header,
section,
div,
h1,
h2,
h3,
p,
span,
a,
button,
svg,
.tech-card {
    transition: background-color 0.5s ease, color 0.5s ease, border-color 0.5s ease, fill 0.5s ease, stroke 0.5s ease, box-shadow 0.5s ease, transform 0.3s ease;
}

/* Efecto de malla/grid para el fondo conceptual del Hero */
.hero-pattern {
    background-color: var(--bg-primary);
    background-image: radial-gradient(var(--grid-color) 1px, transparent 1px);
    background-size: 30px 30px;
}

/* Estilo para tarjetas con brillo sutil al pasar el mouse */
.tech-card {
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05); /* Added slight border for definition in dark mode */
}

.tech-card:hover {
    box-shadow: 0 10px 15px rgba(6, 182, 212, 0.2), 0 4px 6px rgba(6, 182, 212, 0.1);
    transform: translateY(-5px);
    border-color: var(--accent-cyan);
}

/* Animation for the fluid wave effect (optional, keeping it just in case) */
@keyframes morph {
    0% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
    50% { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
    100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
}

@keyframes morph-reverse {
    0% { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
    50% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
    100% { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
}