:root {
    --ov-navy: #0d1b2a;
    --ov-blue: #2563eb;
    --ov-sky: #93c5fd;
    --ov-slate: #334155;
    --ov-ice: #f1f5f9;
    --ov-white: #ffffff;
    --ov-border: rgba(148, 163, 184, 0.18);
    --ov-shadow-lg: 0 20px 40px rgba(2, 8, 23, 0.18);
    --ov-shadow-md: 0 12px 28px rgba(15, 23, 42, 0.12);
    --ov-radius-xl: 24px;
    --ov-radius-lg: 18px;
    --ov-radius-md: 14px;
    --ov-radius-sm: 10px;
    --ov-container: min(1240px, calc(100% - 32px));
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 96px;
}

body {
    margin: 0;
    font-family: "Inter", system-ui, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.16), transparent 30%),
        radial-gradient(circle at 90% 20%, rgba(147, 197, 253, 0.18), transparent 28%),
        linear-gradient(180deg, #f8fbff 0%, #eef4fb 100%);
    color: var(--ov-navy);
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input {
    font: inherit;
}

.ov-container {
    width: var(--ov-container);
    margin: 0 auto;
}

.primary-btn,
.ghost-btn {
    border: 0;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.primary-btn {
    background: linear-gradient(135deg, var(--ov-blue), #1d4ed8);
    color: white;
    padding: 12px 18px;
    border-radius: 12px;
    font-weight: 700;
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2);
}

.primary-btn:hover {
    transform: translateY(-1px);
}

.ghost-btn {
    background: white;
    color: var(--ov-navy);
    padding: 11px 16px;
    border-radius: 12px;
    font-weight: 700;
    border: 1px solid rgba(148, 163, 184, 0.24);
}

.ghost-btn.emphasis {
    background: rgba(255,255,255,0.72);
}

@media (max-width: 640px) {
    html {
        scroll-padding-top: 78px;
    }

    .ov-container {
        width: min(100% - 20px, 100%);
    }
}