:root {
    --base-blue: #0052FF;
    --tech-border: rgba(0, 82, 255, 0.3);
    --bg-grid: #F0F2F5;
}

body {
    font-family: 'Inter', sans-serif;
    /* Clean "Swiss" background - almost pure white but with depth */
    background-color: #fafbfc;
    color: #0a0a0a;
    /* Soft black, more premium */
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    /* Crisp text rendering */
}

/* Plus Jakarta Sans - The standard for modern Web3/Fintech */
h1,
h2,
h3,
h4,
.font-heading {
    font-family: 'Plus Jakarta Sans', sans-serif;
    letter-spacing: -0.03em;
    /* Tight tracking for headings */
}

#grid-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    cursor: crosshair;
    /* Subtle hint of interactivity */
}

.btn-tech {
    position: relative;
    border: 1px solid var(--base-blue);
    padding: 1rem 2.5rem;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.75rem;
    color: var(--base-blue);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
    overflow: hidden;
    border-radius: 0;
    /* Sharp edges */
}

.btn-tech::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--base-blue);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
    z-index: -1;
}

.btn-tech:hover {
    color: white;
    box-shadow: 0 10px 40px -10px rgba(0, 82, 255, 0.5);
    border-color: transparent;
    transform: translateY(-2px);
}

.btn-tech:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

.btn-tech-filled {
    background: var(--base-blue);
    color: white;
    box-shadow: 0 10px 30px -10px rgba(0, 82, 255, 0.4);
}

.btn-tech-filled:hover {
    background: #0040cc;
    box-shadow: 0 20px 50px -10px rgba(0, 82, 255, 0.6);
}

.tech-card {
    background: rgba(255, 255, 255, 0.6);
    /* More transparency */
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: none;
    transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.tech-card:hover {
    border-color: rgba(0, 82, 255, 0.3);
    transform: translateY(-4px);
    box-shadow: none;
}

.separator-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 82, 255, 0.2), transparent);
    margin: 8rem 0;
}

.section-heading {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--base-blue);
    font-weight: 700;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    opacity: 0.9;
}

.section-heading::before {
    content: '';
    display: block;
    width: 3rem;
    height: 2px;
    background: var(--base-blue);
}