/* Reset & Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: var(--leading-relaxed);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Typography Utility Classes */
.text-display {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 300;
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tighter);
}

.text-h1 {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 400;
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
}

.text-h2 {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 500;
    line-height: var(--leading-snug);
    letter-spacing: var(--tracking-tight);
}

.text-h3 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 500;
    line-height: var(--leading-snug);
}

.text-body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
}

.text-body-lg {
    font-family: var(--font-body);
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
}

.text-sm {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    color: var(--text-muted);
}

.text-label {
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-widest);
    color: var(--text-muted);
}

.text-mono {
    font-family: var(--font-mono);
    font-size: 0.9em;
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--teal-300), var(--blue-400), var(--purple-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Background Utilities */
.bg-grid {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 60px 60px;
}

.bg-ambient {
    background:
        radial-gradient(ellipse 100% 80% at 0% 0%, rgba(20, 184, 166, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse 80% 60% at 100% 100%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 50% 50%, rgba(167, 139, 250, 0.03) 0%, transparent 50%);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* Accessibility */
:focus-visible {
    outline: 2px solid var(--teal-500);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}