:root {
    --color-primary: #69b2dc;
    --color-primary-dark: #1c5f86;
    --color-secondary: #0d2742;
    --color-bg: #f4f8fc;
    --color-surface: #ffffff;
    --color-border: #d6e3ef;
    --color-text: #1f2a37;
    --color-text-muted: #5a6b7c;
    --color-inverse: #ffffff;
    --shadow-soft: 0 10px 24px rgba(13, 39, 66, 0.08);
    --shadow-medium: 0 16px 40px rgba(13, 39, 66, 0.14);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --container-max: 1180px;
    --header-height: 82px;
    --font-sans: "Segoe UI", "Open Sans", Arial, sans-serif;
    --bgcolor: linear-gradient(180deg, #f0f9ff 0%, #e6f7ff 100%);
    --bgcolor-hero: linear-gradient(120deg, #1a365d 0%, #2c5282 40%, #3182ce 100%);
}

* {
    box-sizing: border-box;
    min-width: 0;
}

html,
body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
}

a {
    color: var(--color-primary-dark);
    text-decoration: none;
    padding-top:12px;
}

a:hover,
a:focus-visible {
    color: var(--color-primary);
}

img,
video {
    max-width: 100%;
    height: auto;
    width:100%
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0 0 var(--space-4);
    color: var(--color-secondary);
    line-height: 1.2;
}

h1 { font-size: clamp(1.9rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2.2vw, 1.6rem); }

p {
    margin: 0 0 var(--space-4);
    color: var(--color-text);
}

ul,
ol {
    margin: 0 0 var(--space-4);
    padding-left: 1.15rem;
}

table {
    width: 100%;
    border-collapse: collapse;
}

input,
textarea,
select,
button {
    font: inherit;
}

:focus-visible {
    outline: 3px solid rgba(105, 178, 220, 0.5);
    outline-offset: 2px;
}

.container {
    width: min(calc(100% - 2rem), var(--container-max));
    margin-inline: auto;
}

.wrap {
    width: min(calc(100% - 2rem), var(--container-max));
    margin-inline: auto;
}

.content {
    padding: var(--space-10) 0;
}

.space {
    height: var(--space-8);
}

.space2 {
    height: var(--space-12);
}

.clear {
    clear: both;
}

.site-main {
    overflow-x: hidden;
}

.page-section {
    padding: var(--space-12) 0;
}

.section-soft {
    background: linear-gradient(180deg, #eef6fc 0%, #f9fbfe 100%);
}

.section-heading {
    text-align: center;
    margin-bottom: var(--space-8);
}

.section-heading p {
    color: var(--color-text-muted);
}

.grid {
    display: grid;
    gap: var(--space-6);
}

.two-col {
    grid-template-columns: 1fr;
}

.three-col {
    grid-template-columns: 1fr;
}

.four-col {
    grid-template-columns: 1fr;
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
}

.text-muted {
    color: var(--color-text-muted);
}

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