:root {
    color-scheme: light;
}

* {
    box-sizing: border-box;
}

*::before,
*::after {
    box-sizing: inherit;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    background-color: var(--color-bg);
}

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: var(--fz-body);
    line-height: 1.7;
    color: var(--color-deep-navy);
    background-color: var(--color-bg);
    min-height: 100vh;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

img,
svg,
video {
    display: block;
    max-width: 100%;
    height: auto;
    border: 0;
}

a {
    color: var(--color-brand-blue);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-spring-green);
}

p {
    margin-top: 0;
    margin-bottom: var(--space-sm);
    color: var(--color-slate);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--color-deep-navy);
    margin: 0 0 var(--space-sm);
    line-height: 1.2;
}

h1 { font-size: clamp(36px, 4vw, var(--fz-h1)); }
h2 { font-size: clamp(32px, 3vw, var(--fz-h2)); }
h3 { font-size: clamp(26px, 2.5vw, var(--fz-h3)); }
h4 { font-size: clamp(20px, 2vw, var(--fz-h4)); }

small,
.small-text {
    font-size: var(--fz-small);
    color: var(--color-muted);
}

main {
    display: block;
    margin-top: var(--header-height);
}

section {
    padding: var(--space-2xl) 0;
}

.section-light {
    background-color: var(--color-surface);
}

.section-muted {
    background-color: var(--color-bg);
}

.section-dark {
    background-color: var(--color-surface-dark);
    color: #FFFFFF;
}

.container {
    width: min(var(--container-width), 100% - 48px);
    margin: 0 auto;
}

.container-wide {
    width: min(var(--max-content), 100% - 32px);
    margin: 0 auto;
}

.text-center { text-align: center; }
.text-right { text-align: right; }

.bg-gradient-brand { background: var(--gradient-brand); }
.bg-gradient-cta { background: var(--gradient-cta); }
.bg-gradient-tech { background: var(--gradient-tech); }

.pill {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: var(--fz-caption);
    background-color: rgba(30, 90, 168, 0.08);
    color: var(--color-brand-blue);
}

.surface-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: var(--space-md);
}

blockquote {
    margin: var(--space-lg) 0;
    padding: var(--space-md);
    border-left: 4px solid var(--color-brand-blue);
    background-color: rgba(30, 90, 168, 0.08);
    border-radius: var(--radius-md);
    color: var(--color-deep-navy);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--space-lg);
}

th,
td {
    padding: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
    text-align: left;
}

.sr-only,
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    border: 0;
}

::selection {
    background-color: rgba(30, 90, 168, 0.2);
    color: var(--color-deep-navy);
}

[data-animate] {
    opacity: 0;
    transform: translate3d(0, 30px, 0);
    transition: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-animate].is-visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}